If I could use hypnosis... Gather ten cute high school girls and perform group hypnosis. If even one of them falls under the gaze hypnosis method, then all nine watching will definitely believe it too! Through 'movement control,' 'taste control,' and 'emotion control,' turn them into high school girls who love dicks, can't help but want to have sex, and are okay with in-the-vagina ejaculation group sex.
